I do not know if it can really help in your situation, but from NGCC notes I discovered the existence of GatlingCQL ( https://github.com/gatling-cql/GatlingCql) as an alternative to cassandra-stress. In particular you can tweak a bit the data generation part.
giampaolo 2016-06-16 10:33 GMT+02:00 Peter Kovgan <peter.kov...@ebsbrokertec.com>: > Thank you, guys. > > I will try all proposals. > > The limitation, mentioned by Benedict, is huge. > > But anyway, there is something to do around….. > > > > *From:* Peter Kovgan > *Sent:* Wednesday, June 15, 2016 3:25 PM > *To:* 'user@cassandra.apache.org' > *Subject:* how to force cassandra-stress to actually generate enough data > > > > Hi, > > > > The cassandra-stress is not helping really to populate the disk > sufficiently. > > > > I tried several table structures, providing > > cluster: UNIFORM(1..10000000000) on clustering parts of the PK. > > > > Partition part of PK makes about 660 000 partitions. > > > > The hope was create enough cells in a row, make the row really WIDE. > > > > No matter what I tried, does no matter how long it runs, I see maximum 2-3 > SSTables per node and maximum 300Mb of data per node. > > > > (I have 6 nodes and very active 400 threads stress) > > > > It looks, like It is impossible to make the row really wide and disk > really full. > > > > Is it intentional? > > > > I mean, if there was an intention to avoid really wide rows, why there is > no hint on this in docs? > > > > Do you have similar experience and do you know how resolve that? > > > > Thanks. > > > > > > > > > > > ************************************************************************************************************************ > This communication and all or some of the information contained therein > may be confidential and is subject to our Terms and Conditions. If you have > received this communication in error, please destroy all electronic and > paper copies and notify the sender immediately. Unless specifically > indicated, this communication is not a confirmation, an offer to sell or > solicitation of any offer to buy any financial product, or an official > statement of ICAP or its affiliates. Non-Transactable Pricing Terms and > Conditions apply to any non-transactable pricing provided. All terms and > conditions referenced herein available at www.icapterms.com. Please > notify us by reply message if this link does not work. > > ************************************************************************************************************************ >